High precision measuring systems for rough operating conditions
The rolling noise of rail vehicles depends on the roughness of rails and wheels. Therefore, concerning the acoustics of rail vehicles, detailed knowledge about the unevenness of the running surface is crucial.
In particular, for acoustic acceptance tests of moving trains the different test sections have to be comparable. Accurate knowledge of the rail roughness is therefore fundamental. The measurement of rail and wheel roughness poses high precision demands on the measuring system as unevenness in the dimension of a micrometer or even less has to be reliably determined.
More information about m|rail trolley may be found at Müller-BBM Rail Technologies.